Potter, Robert G. Comparison of three acceptance strategies : a progress report / Robert G. Potter, Frances E. Kobrin and Raymond L. Langsten - Honolulu : East-West Center, 1979 - 16 p. ; 23 cm. - Papers of the East-West Population Institute ; no. 59 . Bibliography : p. 15-16 Subjects--Topical Terms: Birth control--Mathematical models--Case studiesContraception--Mathematical models--Case studiesBirth intervals--Mathematical models--Case studies